Roger Williamson
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| EU Union-ch | 09/06/2006 | 1817 | United Kingdom |
| Blackpool op | 03/??/2006 | 2006 | United Kingdom |
| Blackpool op | 03/11/2005 | 2036 | United Kingdom |
Most Played Openings as White
| ECO | Opening | Games |
| C92 | Ruy Lopez, closed, 9.h3 | 2 games |
| A00 | Polish (Sokolsky) opening | 1 games |
| B18 | Caro-Kann, classical variation | 1 games |
| C41 | Philidor's defence | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C78 | Ruy Lopez, 5.O-O | 2 games |
| C99 | Ruy Lopez, closed, Chigorin, 12...c5d4 | 1 games |
| D34 | Queen's Gambit Declined, Tarrasch, Prague variation, 7...Be7 | 1 games |
| C87 | Ruy Lopez, closed, Averbach variation | 1 games |


United Kingdom